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CALLOPHIS. 383 



Genus CALLOPHIS, 

 Gray, 111. Ind. Zool. ii, 1834 (name only) ; Gunth. P. Z. S. 1859, p. 81. 



Poison-fangs with a distinct groove anteriorly ; no solid maxil- 

 lary teeth. Head not distinct from neck, with large shields ; no 

 loreal. Eye small, with round pupil. Body cylindrical, slender. 

 Scales smooth, equal, in 13 rows. Tail short ; subcaudals m 

 pairs. 



Fig. 1 13. — Head of Callophis macdellundii. 



Distribution. East Indies, Southern China, and Japan. Seven 

 species are known, live of which occur in India and Burma. 



This genus differs from the South-African and Tropical-American 

 Elaps in the presence of a groove along the entire length of the 

 maxillary fangs and in having postfrontal bones. It is completely 

 connected with Bun(/aras through Hemihiuujarus, Peters, in which 

 a solid tooth is present behind the poison-fangs. 



Synoims of Indian and Bwmese Species. 



A. One pi'iE- and two postoculars. 



a. Six upper labials C. trimaculatus, p. 384. 



h. Seven upper labials. 



a . A single temporal shield ; anterior 

 chin-shields in contact with 4 or 5 

 lower labials. 



a". Subcaudals 21-32 C. maeidiceps, p. 384. 



b". Subcaudals 33-44 C. niyvescens, p. 384. 



V . Temporals l-[-l ; anterior chin- 



sbields in contact with 3 labials . . C. macclellandii, p. 385. 



B. No prteocular; one postocular C, hibronii, p. 386. 



